BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 156 54.5%
2 United States 45 15.7%
3 Germany 42 14.7%
4 Netherlands 11 3.8%
5 Canada 7 2.4%
6 France 4 1.4%
7 Greece 3 1%
8 Hong Kong 2 0.7%
9 India 2 0.7%
10 Japan 2 0.7%
11 Chile 2 0.7%
12 Estonia 2 0.7%
13 United Arab Emirates 2 0.7%
14 Sweden 2 0.7%
15 Ukraine 1 0.3%
16 Australia 1 0.3%
17 Singapore 1 0.3%
18 Malaysia 1 0.3%